Timeline by decade:
Links to other timelines on the WWW:
The Big Timeline at the Electronic Music Foundation.
A Timeline of Electronic/Computer Music at the University of Massachuestts Dartmouth Eletronic Music Studios
Electronic Music Historical Overview by Jeffrey Hass, Indiana University School of Music, Center for Electronic and Computer Music.
Biased Electro-Acoustic History at the Music Department of Concordia University.
A Brief History of Synth by Andrew Williams in Snap Pop! Magazine.
Historical Timeline: The People in Music Technology and Computing by Keith Bajura, Carnegie Mellon University.
Electric and Electronic Musical Instruments 1899-1950 at CREATE, UC Sanata Barbara
120 Years of Electronic Music: Electronic Musical Instruments 1870-1990 at Obsolete.
A Brief History of Computing by Stephen White.
Computer Music Peabody Institute Johns Hopkins University